From: Rodolfo Giometti <giometti-AVVDYK/kqiJWk0Htik3J/w@public.gmane.org>
To: David Rientjes <rientjes-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
Cc: i2c-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org
Subject: Re: [patch] i2c: fix virtual i2c adapter lockdep warning
Date: Thu, 14 Aug 2008 13:42:25 +0200 [thread overview]
Message-ID: <20080814114225.GI10930@tekkaman> (raw)
In-Reply-To: <alpine.DEB.1.10.0808032024130.2365-X6Q0R45D7oAcqpCFd4KODRPsWskHk0ljAL8bYrjMMd8@public.gmane.org>
On Mon, Aug 04, 2008 at 10:50:42AM -0700, David Rientjes wrote:
> bus_lock for both the virtual adapter and its parent have the same lock
> class. Since both are taken in i2c_virt_master_xfer() and
> i2c_virt_smbus_xfer(), lockdep needs an annotation that the nesting is
> safe.
Thanks! This nested lock can be used also to remove to nolock
functions into i2c-core.c?
Ciao,
Rodolfo
--
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next prev parent reply other threads:[~2008-08-14 11:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-04 17:50 [patch] i2c: fix virtual i2c adapter lockdep warning David Rientjes
[not found] ` <alpine.DEB.1.10.0808032024130.2365-X6Q0R45D7oAcqpCFd4KODRPsWskHk0ljAL8bYrjMMd8@public.gmane.org>
2008-08-14 11:42 ` Rodolfo Giometti [this message]
2008-08-14 19:46 ` David Rientjes
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